Blade type anti-theft lock

Abstract

The invention discloses a blade type anti-theft lock. The blade type anti-theft lock comprises a lock core outer shell, a lock core plug and a blade lock pin assembly; when the two sides of a key penetrates through key penetrating slots in each groups of the blades, each group of the blades can move relatively, so that lock pin slots in a plurality of the blades are aligned, and a lock pin enters the lock pin slot in the blades under the action of a pressing spring of the lock pin; simultaneously, the surface of the key presses marble assemblies so as to unlock the lock core outer shell and the lock core plug. The key penetrating slots are formed in the sides of the blades, so that the blade lock pin assembly is positioned at the position below the lock core plug key hole; space is provided for designing the marble assemblies, and moreover, the other side surface of the key can also be utilized besides unlocking by utilizing one side surface of the key; newly added marble assemblies can be unlocked by utilizing the surface of the key; the anti-theft function is greatly improved by the increment of the marble assemblies.

Description

technical field [0001] The invention relates to an anti-theft lock, in particular to a blade-type anti-theft lock. Background technique [0002] On August 12, 2015, the State Intellectual Property Office published a patent document whose publication number is 102747876B, the patentee is Chen Chenghe, and the patent name is blade lock, which includes a lock housing (1) and a lock cylinder (2). The key (5) is inserted in the keyhole (21) of the lock cylinder (2), and one side of the keyhole (21) is provided with a bumper lifting groove (60) communicating with it, and the bumper lifting groove (60) ) is provided with a bumper (61), the lower end of the bumper (61) is provided with a bumper bump (62), and the lock cylinder (2) is also provided with a blade hole (22), the blade hole ( 22) It communicates with the bumper lifting groove (60), and the blade hole (22) is provided with a plurality of blades (3) that are closely connected and can move laterally in the blade hole, and ...

AI Technical Summary

Problems solved by technology

[0003] The key slot on the blade in the above patent is set in the middle of the blade, the key can only pass through the middle of the blade, and all the blades can only be installed in the middle of the lock cylinder (lock cylinder plug), so there is not enough space Install the second set of marble components, that is to say, the above patent can only have a set of blade lock pin components, and cannot add any marble components to the lock, so the anti-theft performance is not ideal

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